TG Telegram Group & Channel
General Science🔬 | United States America (US)
Create: Update:

What is the minimum distance (in meters) required to hear an echo?
गूंज सुनने के लिए आवश्यक न्यूनतम दूरी (मीटर में) कितनी होनी चाहिए?
Anonymous Quiz
(a) 10
(b) 13
(c) 17
(d) 21
1,651 answered


>>Click here to continue<<

General Science🔬




Share with your best friend
VIEW MORE

United States America Popular Telegram Group (US)